Electronics Communications Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electronics Communications Interview Questions

Questions Answers Views Company eMail

Explain why the aspect ratio of tv video display is 4:3 or 16:9? Why not it is any other?

1059

Do you know q-meter works on which principal?

1117

Explain what are edge triggered flip flop and level triggered flip flop? How do they differ from one another?

1216

74Ls244 is _____?

1040

What is a sequential circuit and what is a combinational circuit?

1196

Explain what is the main application of scr in electronic field as well as in software field?

1084

How to format a memory card by using memory card?

1047

The output of the rectifier pulsating in nature, it consists of a desired dc component of voltage and unwanted ripple components. These ripple components are removed by placing filter circuit at the output of the rectifier.

1254

Explain what is meant by virtual ground in the op amp?

1004

Why are the 2 input terminals of an op-amp are called as inverting & non-inverting terminals?

1118

How the active power factor correction changes the wave shape of current drawn by a load to improve the power factor?

1098

Explain what is angle and amplitude modulation? What is noise in modulation?

1076

Why the antenna is called passive element?

1203

What is automation industries main category and sub category?

1038

Tell me, when a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?

1060

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Un-Answered Questions { Electronics Communications }

what is transformer utilisation factor?

3865

# What is D-FF? # What is the basic difference between Latches and Flip flops? # What is a multiplexer? # How can you convert an SR Flip-flop to a JK Flip-flop? # How can you convert an JK Flip-flop to a D Flip-flop? # What is Race-around problem? How can you rectify it?

2224

State assumptions made for analyzing ideal op-amp.

1087

What is the difference between a multiplexer and encoder?

1145

Explain why the feeding frequency to a microprocessor is twice the operating frequency?

1050

What is a schmitt trigger?

1187

sir, please send HPCL INFORMATION SYSTEMS OFFICER SYLLABUS WITH PREVIOUS QUESTION PAPERS

4112

What is a feedback?

1053

What's the difference between looping 0s and 1s in K map?

5181

why odd number of lines used for scanning

2251

why we don't use photodiode in forward-bias?

3725

What is the need for frequency compensation in practical op-amps?

1139

I had completed my diploma in electronics and communication. Currently am working with a pvt. ltd. (with two years of experiences) company which makes panel using plc, VFD(drivers) and scada monitoring system. so should i get supervisor licence for my supervisor post???

2050

What is the difference between 8087 and 8086

1170

Amplitude modulation is basically a A Summing of two signals B Multiplication of two signals C Subtraction of two signals D Non-linear process

2578

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